Home / 325,839.52-449,651.16-189,865

Finding the Fourth Proportional to 325,839.52, 449,651.16 and 189,865

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Solution

The fourth proportional to 325,839.52, 449,651.16 and 189,865 is: 262,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,839.52 : 449,651.16 = 189,865 : x
  2. Step 2: Convert to fraction form
    325,839.52/449,651.16 = 189,865/x
  3. Step 3: Cross multiply
    325,839.52x = 449,651.16 × 189,865
  4. Step 4: Simplify right side
    325,839.52x = 85,373,017,493.40
  5. Step 5: Solve for x
    x = 85,373,017,493.40/325,839.52
  6. Step 6: Final answer
    x = 262,009.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.